body {
  min-width: 320px;
  max-width: 750px;
  width: 10rem;
  margin: 0 auto;
  line-height: 1.5;
  font-family: Arial, Helvetica;
  background: #f2f2f2;
  padding-bottom: 1.333333rem;
}
a {
  text-decoration: none;
}
@media screen and (min-width: 750px) {
  html {
    font-size: 75px!important;
  }
}
.daka {
  height: 7.466667rem;
  background-image: linear-gradient(to right, #49a1ff, #7a6bff);
  padding-top: 1.333333rem;
  box-sizing: border-box;
  position: relative;
}
.daka .bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2.96rem;
  background: #fff;
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.daka .bottom .item {
  font-size: .373333rem;
}
.daka .bottom .item i {
  display: block;
  width: 1.066667rem;
  height: 1.066667rem;
  background: url(../images/个人中心/邀请好友.png) no-repeat;
  background-size: 1.066667rem 1.066667rem;
}
.daka .content {
  height: 6.133333rem;
  background-color: #f5f5f5;
  border-radius: .133333rem;
  position: relative;
}
.daka .content::before {
  display: block;
  content: "";
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: #ccc;
  position: absolute;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  top: 0;
  background: url(../images/timg.gif) no-repeat;
  background-size: 1.6rem auto;
}
.daka .content p {
  font-size: .373333rem;
  text-align: center;
  margin: 0;
  padding: 0;
}
.daka .content p:nth-child(1) {
  padding-top: 1.2rem;
  padding-bottom: .666667rem;
}
.daka .content p span {
  color: #49a1ff;
}
.item2 {
  margin-top: .266667rem;
  margin-bottom: .266667rem;
  padding: 0 .533333rem;
  background-color: #fff;
  font-size: .373333rem;
}
.item2 p {
  border-bottom: .013333rem solid #ddd;
  height: 1.333333rem;
  line-height: 1.333333rem;
  position: relative;
  padding-left: .72rem;
}
.item2 p::before {
  content: "";
  display: block;
  width: .426667rem;
  height: .453333rem;
  background: url(../images/个人中心/学习记录.png) no-repeat;
  background-size: .426667rem .453333rem;
  position: absolute;
  left: 0;
  top: .426667rem;
}
footer {
  box-shadow: 0 0 1px #ccc;
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  min-width: 320px;
  max-width: 750px;
  width: 100%;
  height: 1.333333rem;
  background-color: #fff;
  z-index: 1;
  display: flex;
}
footer .item {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: .24rem;
  color: #999;
}
footer .item i {
  display: block;
  width: .426667rem;
  height: .426667rem;
  background: url(../images/底部菜单/课程-未选中.png) no-repeat;
  background-size: .4rem .426667rem;
}
footer .item:first-child {
  color: #6582ff;
}
footer .item:first-child i {
  display: block;
  width: .426667rem;
  height: .426667rem;
  background: url(../images/底部菜单/课程-选中.png) no-repeat;
  background-size: .4rem .426667rem;
}
